/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2015 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.jpos.iso.validator;

import org.jpos.iso.*;
import org.jpos.util.LogEvent;
import org.jpos.util.Logger;

/**
 * Tester to validate msg.
 * <p>Title: jPOS</p>
 * <p>Description: Java Framework for Financial Systems</p>
 * <p>Copyright: Copyright (c) 2000 jPOS.org.  All rights reserved.</p>
 * <p>Company: www.jPOS.org</p>
 *
 * @author Jose Eduardo Leon
 * @version 1.0
 */
public class MSGTEST extends ISOBaseValidator {

	public MSGTEST() {
		super();
	}

	public MSGTEST(boolean breakOnError) {
		super(breakOnError);
	}

	private String makeStrFromArray(int[] validFields) {
		if (validFields == null) return null;
		StringBuilder result = new StringBuilder();
		for (int validField : validFields) {
			result.append(validField);
			result.append(", ");
		}
		result.delete(result.length() - 2, result.length() - 1);
		return result.toString();
	}

	public ISOComponent validate(ISOComponent m) throws org.jpos.iso.ISOException {
		LogEvent evt = new LogEvent(this, "validate");
		try {
			super.validate(m);
			ISOMsg msg = (ISOMsg) m;
			int[] validFields = {3, 7, 11};
			if (!msg.hasFields(validFields)) {
				ISOVError e = new ISOVError("Fields " + makeStrFromArray(validFields) + " must appear in msg.", "001");
				if (msg instanceof ISOVMsg)
					((ISOVMsg) msg).addISOVError(e);
				else
					msg = new ISOVMsg(msg, e);
				if (breakOnError)
					throw new ISOVException("Error on msg. ", msg);
			}
			return msg;
		} finally {
			Logger.log(evt);
		}
	}
}
